/Engine/Source/Runtime/Core/Public/Containers/Set.h
Assignment operator for copying elements from aTSetwith a different SetAllocator
template<typename OtherAllocator> [TSet](API\Runtime\Core\Containers\TSet) & operator= ( const [TSet](API\Runtime\Core\Containers\TSet)< [ElementType](API\Runtime\Core\Containers\TSet\ElementType), KeyFuncs, OtherAllocator > & Other )